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Sat, 21 Feb 2026 10:09:13 -0800 (PST) Received: from junjungu-PC.localdomain ([2408:820c:9008:ba52:cd9e:8578:84b4:4918]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad7503fcc5sm28023175ad.76.2026.02.21.10.09.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Feb 2026 10:09:13 -0800 (PST) From: Felix Gu Date: Sun, 22 Feb 2026 02:09:08 +0800 Subject: [PATCH] iio: adc: nxp-sar-adc: Remove unnecessary type casting Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260222-nxp-sar-adc-v1-1-75e4cdb3ffb7@gmail.com> X-B4-Tracking: v=1; b=H4sIAMT0mWkC/x3MQQqAIBBA0avIrBvQAYW6SrQwm2o2JgohiHdPW r7F/w0KZ+ECi2qQ+ZUiTxwwk4Jw+3gxyjEMpMlpIsJYExaf0R8Bzayddzaw3R2MImU+pf63dev 9AyWQyildAAAA X-Change-ID: 20260222-nxp-sar-adc-1906a65ce5b6 To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1771697351; l=1003; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=Y/RkG0UfYfithP+xjMMMzezYHNYm5gglQYGINrugAO8=; b=tlMoKCkEiQG9BUQzdHRjzL1jYmKghIrBr2morPpwFHAJ+uATBWjNiCyJvRiwKOcKfI3mUaTOi gbxD6cVByhyDn1RUuJrvNPaKSjIvYg28JGkybJoikTjywnMri5wCKbw X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= The readl_poll_timeout() macro returns a signed integer error code. In nxp_sar_adc_calibration_wait(), the return value is casted to u32 before being returned as int, which is unnecessary. Signed-off-by: Felix Gu --- drivers/iio/adc/nxp-sar-adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/nxp-sar-adc.c b/drivers/iio/adc/nxp-sar-adc.c index 9efa883c277d..a6e4888a8464 100644 --- a/drivers/iio/adc/nxp-sar-adc.c +++ b/drivers/iio/adc/nxp-sar-adc.c @@ -247,7 +247,8 @@ static inline void nxp_sar_adc_calibration_start(void _= _iomem *base) =20 static inline int nxp_sar_adc_calibration_wait(void __iomem *base) { - u32 msr, ret; + u32 msr; + int ret; =20 ret =3D readl_poll_timeout(NXP_SAR_ADC_MSR(base), msr, !FIELD_GET(NXP_SAR_ADC_MSR_CALBUSY, msr), --- base-commit: d4906ae14a5f136ceb671bb14cedbf13fa560da6 change-id: 20260222-nxp-sar-adc-1906a65ce5b6 Best regards, --=20 Felix Gu